Files
react-native/ReactCommon/cxxreact/JSIndexedRAMBundle.h
T
Valentin Shergin ede2c5031f Codemod: Clang-format for all files in ReactCommon directory
Summary:
We are moving towards 100%-prettified files. That's the first step when we apply Clang Format for `ReactCommon`.

Changelog: [Internal]

Reviewed By: mdvacca

Differential Revision: D20110895

fbshipit-source-id: 0a0ce4997cf1c3721b0b07ef78c1a57ce87d20f9
2020-02-25 19:52:27 -08:00

74 lines
1.9 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <istream>
#include <memory>
#include <cxxreact/JSBigString.h>
#include <cxxreact/JSModulesUnbundle.h>
#ifndef RN_EXPORT
#define RN_EXPORT __attribute__((visibility("default")))
#endif
namespace facebook {
namespace react {
class RN_EXPORT JSIndexedRAMBundle : public JSModulesUnbundle {
public:
static std::function<std::unique_ptr<JSModulesUnbundle>(std::string)>
buildFactory();
// Throws std::runtime_error on failure.
JSIndexedRAMBundle(const char *sourceURL);
JSIndexedRAMBundle(std::unique_ptr<const JSBigString> script);
// Throws std::runtime_error on failure.
std::unique_ptr<const JSBigString> getStartupCode();
// Throws std::runtime_error on failure.
Module getModule(uint32_t moduleId) const override;
private:
struct ModuleData {
uint32_t offset;
uint32_t length;
};
static_assert(
sizeof(ModuleData) == 8,
"ModuleData must not have any padding and use sizes matching input files");
struct ModuleTable {
size_t numEntries;
std::unique_ptr<ModuleData[]> data;
ModuleTable() : numEntries(0){};
ModuleTable(size_t entries)
: numEntries(entries),
data(std::unique_ptr<ModuleData[]>(new ModuleData[numEntries])){};
size_t byteLength() const {
return numEntries * sizeof(ModuleData);
}
};
void init();
std::string getModuleCode(const uint32_t id) const;
void readBundle(char *buffer, const std::streamsize bytes) const;
void readBundle(
char *buffer,
const std::streamsize bytes,
const std::istream::pos_type position) const;
mutable std::unique_ptr<std::istream> m_bundle;
ModuleTable m_table;
size_t m_baseOffset;
std::unique_ptr<JSBigBufferString> m_startupCode;
};
} // namespace react
} // namespace facebook